sandstorms in Asia

What’s the bad result of the sandstorm?The sand almost buries the house .

What is the cyclists wearing and why?masks hoods scarves

What do you think happen to traffic in this situation? Why?drive slowly and turn on headlights, not clear to see everything on the road

Learning aims? 1 You should learn to think and talk about something about sandstorms, know the causes and results of sandstorms and what to do with sandstorms. ? 2 Train your reading skills by fast and careful reading. ? 3 Master the following main words, expressions and sentences.? Words: Frightening, prevent, advise, major, mass, campaign, survive, increase, process, forecast ? Expressions: Cut down, dig up ? Sentences: make it difficult to see, to have done ， so…that， enough to do

I. Fast readingMatch the main idea with each paragraph.

? ? ? ? ? ?

Para.1 Para.2 Para.3 Para.4 Para.5 Para.6

a. the description of sandstorms b. the causes of sandstorms c. a major disaster in Asia d. the effects of sandstorms e. the government’s measures f. the forecast and suggestions

II. Careful readingRead the text carefully and answer the following questions.

1.What are sandstorms? winds that 1.Sandstorms are strong, dry carry sand.2 Why do sandstorms appear to have 2.Because of desertification increased in recent years? 3.Traffichappens to slowly because the 3.What moves very traffic when thick dust makes it difficult to see. sandstorms take place? Why? 4.Experts advise people not to go out. If 4.What shall people do if a cycling in the sandstorm, one had sandstorm mask. better wear aarrives?

It为形式宾语，真正宾语是不定式to see1. He feels it his duty to help others. 他觉得帮助他人是他的责任。 2. 这种新药使治疗这种可怕疾病成为可能。The new medicine makes it possible to treat this terrible disease.

Listen and fill in the table

Description

strong, dry ________winds that carry _____ sand thick the sun so ______that can’t see ______ strong enough to move sand dunes ________ desertification an ________sky, _______winds, cover orange strong thick city in a _______, brown-yellow dust, ___________ see slowly traffic moves _____, difficult to ____ not to go out , wear a mask a mass campaign, plant more trees for the next five years

Cause

Influence

Suggestions Measures

So… that 如此…以至于so 是副词，后面接形容词或副词，通常引 导结果状语从句 1 He was so ill that he couldn‘t go to school today． 他病得很厉害，今天无法上学。 2 她如此可爱以至于所有人都喜欢她。 She is so lovely that everybody is fond of her.

形容词+enough to doenough to 足够……可以…… He is strong enough to do this work. 他足够强壮来做这份工作.

What is desertification?? This is a process that happens when land becomes desert because of climate changes and because people cut down trees and dig up grass.